From dfdf38bad88fbfde7aa036c59fdbed9dc4208a11 Mon Sep 17 00:00:00 2001
From: EnumDev <enumdev@enumerated.dev>
Date: Sat, 8 Nov 2025 18:49:03 +0200
Subject: [PATCH] Replace variables in download filepath during compilation

---
 src/bpmlib/compilation.go | 12 +++++++++---
 src/bpmlib/packages.go    |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/bpmlib/compilation.go b/src/bpmlib/compilation.go
index cc71a31..6617b21 100644
--- a/src/bpmlib/compilation.go
+++ b/src/bpmlib/compilation.go
@@ -438,6 +438,10 @@ func downloadPackageFiles(pkgInfo *PackageInfo, tempDirectory string, verbose bo
 		if err != nil {
 			return err
 		}
+		filepath, err := envsubst.Eval(strings.TrimSpace(download.Filepath), replaceVars)
+		if err != nil {
+			return err
+		}
 		extractTo, err := envsubst.Eval(strings.TrimSpace(download.ExtractTo), replaceVars)
 		if err != nil {
 			return err
@@ -458,9 +462,11 @@ func downloadPackageFiles(pkgInfo *PackageInfo, tempDirectory string, verbose bo
 
 		switch download.Type {
 		case "", "file":
-			filepath := path.Join(tempDirectory, path.Base(downloadUrl))
-			if download.Filepath != "" && download.Filepath[0] != '/' {
-				filepath = path.Join(tempDirectory, download.Filepath)
+			if filepath == "" {
+				filepath = path.Join(tempDirectory, path.Base(downloadUrl))
+			}
+			if filepath[0] != '/' {
+				filepath = path.Join(tempDirectory, filepath)
 			}
 
 			err := downloadFile("Downloading file "+path.Base(filepath), downloadUrl, filepath, 0644)
diff --git a/src/bpmlib/packages.go b/src/bpmlib/packages.go
index 654d801..48ccf42 100644
--- a/src/bpmlib/packages.go
+++ b/src/bpmlib/packages.go
@@ -51,7 +51,7 @@ type PackageInfo struct {
 type PackageDownload struct {
 	Url      string `yaml:"url"`
 	Type     string `yaml:"type,omitempty"`
-	Filepath string `yaml:"filepath,omitempty,omitempty"`
+	Filepath string `yaml:"filepath,omitempty"`
 
 	// Archive options
 	NoExtract              bool   `yaml:"no_extract,omitempty"`